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Finding the Fourth Proportional to 62,415.90, 93,429.45 and 36,042.30

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Solution

The fourth proportional to 62,415.90, 93,429.45 and 36,042.30 is: 53,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,415.90 : 93,429.45 = 36,042.30 : x
  2. Step 2: Convert to fraction form
    62,415.90/93,429.45 = 36,042.30/x
  3. Step 3: Cross multiply
    62,415.90x = 93,429.45 × 36,042.30
  4. Step 4: Simplify right side
    62,415.90x = 3,367,412,265.74
  5. Step 5: Solve for x
    x = 3,367,412,265.74/62,415.90
  6. Step 6: Final answer
    x = 53,951.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.